update-contact

THE RISK

Medium Risk

Why update-contact needs a policy

This tool creates or modifies contact data reversibly. While the description is incomplete, the tool name 'update-contact' clearly indicates modification of existing contact records. In a CRM context, contact updates are Write operations—they change data but are generally reversible (can be updated again).

From the tool's definition Tool named 'update-contact' with description indicating it modifies contact data. The 'update' verb and the context of a CRM system (GoHighLevel) where contacts represent customer records that can be reversibly modified confirms Write category.

Documented attack patterns abuse exactly the kind of access update-contact gives an agent:

POLICY

How to control update-contact

PolicyLayer is an MCP gateway — it sits between your AI agents and GoHighLevel MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for update-contact:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update-contact": {
      "limits": [
        {
          "counter": "update-contact_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

update-contact stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register GoHighLevel MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about update-contact

What does the update-contact tool do? +

Please find the list of acceptable values for the \. It is categorised as a Write tool in the GoHighLevel MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update-contact? +

Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for update-contact: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches GoHighLevel MCP Server. Nothing to install.

What risk level is update-contact? +

update-contact is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit update-contact? +

Yes. Add a rate_limit block to the update-contact rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block update-contact completely? +

Set action: deny in the PolicyLayer policy for update-contact. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides update-contact? +

update-contact is provided by the GoHighLevel MCP Server MCP server (drausal/gohighlevel-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every GoHighLevel MCP Server tool call.

Start from GoHighLevel MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →